[Event] Ghost Ship Treasure Chest

- Description: A box obtained from handing over an artifact after investigating the traces where the Phantom Ship was discovered. It is a box obtained at the summer festival that is luxuriously decorated like a treasure chest. - Right-click to obtain the following: Cron Stone x3 Magical Shard x1 Ancient Spirit Dust x10

- Additional use requirements are not yet decoded; this is not a complete eligibility check.